One of the original four space shuttle
s built by NASA
in the early 1980s, which also included Columbia
, and Discovery
Broke apart 73 seconds after liftoff on January 28, 1986, killing all seven crewpeople aboard, including schoolteacher Christa McAuliffe.
Everyone born prior to the Reagan Administration knows where they were when they heard the Challenger
has exploded. It was the most tragic disaster related to space exploration the world had ever seen.